Home / 16,920.18-23,350.14-9,846.45

Finding the Fourth Proportional to 16,920.18, 23,350.14 and 9,846.45

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Solution

The fourth proportional to 16,920.18, 23,350.14 and 9,846.45 is: 13,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.18 : 23,350.14 = 9,846.45 : x
  2. Step 2: Convert to fraction form
    16,920.18/23,350.14 = 9,846.45/x
  3. Step 3: Cross multiply
    16,920.18x = 23,350.14 × 9,846.45
  4. Step 4: Simplify right side
    16,920.18x = 229,915,986.00
  5. Step 5: Solve for x
    x = 229,915,986.00/16,920.18
  6. Step 6: Final answer
    x = 13,588.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.